Gaya APA

Wardiman, A. (2008). English in Focus for Grade VII Junior High School (SMP/MTs) . JAKARTA: Pusat Perbukuan Departemen Pendidikan Nasional.

Gaya MLA

Wardiman, Artono. "English in Focus for Grade VII Junior High School (SMP/MTs)". JAKARTA: Pusat Perbukuan Departemen Pendidikan Nasional, 2008. Text.